- The suspension travel is reduced.
- The ground clearance is reduced.
- It's easier to dab.
- It's easier to hold up the bike when you stop.
- The bike doesn't wheely quite as easily.
- Climbing or descending can be easier.
- Fording depth is reduced.

I'd try shaving the stock seat down first. An electric carving knife and a belt sander with 60-grit can take off 2" pretty easily.